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@ipld/car

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@ipld/car - npm Package Compare versions

Comparing version 5.2.4 to 5.2.5

6

dist/index.min.js
(function (root, factory) {(typeof module === 'object' && module.exports) ? module.exports = factory() : root.IpldCar = factory()}(typeof self !== 'undefined' ? self : this, function () {
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o=Zr(t,r,n.bytes);return new e(t,r,n,o)}default:throw new Error("Invalid version")}}static createV0(t){return e.create(0,Ee,t)}static createV1(t,r){return e.create(1,t,r)}static decode(t){let[r,n]=e.decodeFirst(t);if(n.length)throw new Error("Incorrect length");return r}static decodeFirst(t){let r=e.inspectBytes(t),n=r.size-r.multihashSize,o=ie(t.subarray(n,n+r.multihashSize));if(o.byteLength!==r.multihashSize)throw new Error("Incorrect length");let i=o.subarray(r.multihashSize-r.digestSize),a=new ce(r.multihashCode,r.digestSize,i,o);return[r.version===0?e.createV0(a):e.createV1(r.codec,a),t.subarray(r.size)]}static inspectBytes(t){let r=0,n=()=>{let[j,Te]=ve(t.subarray(r));return r+=Te,j},o=n(),i=Ee;if(o===18?(o=0,r=0):i=n(),o!==0&&o!==1)throw new RangeError(`Invalid CID version ${o}`);let a=r,c=n(),d=n(),h=r+d,p=h-a;return{version:o,codec:i,multihashCode:c,digestSize:d,multihashSize:p,size:h}}static parse(t,r){let[n,o]=Oo(t,r),i=e.decode(o);if(i.version===0&&t[0]!=="Q")throw Error("Version 0 CID string must not include multibase prefix");return vt(i).set(n,t),i}},Oo=(e,t)=>{switch(e[0]){case"Q":{let r=t||V;return[V.prefix,r.decode(`${V.prefix}${e}`)]}case V.prefix:{let r=t||V;return[V.prefix,r.decode(e)]}case xe.prefix:{let r=t||xe;return[xe.prefix,r.decode(e)]}default:{if(t==null)throw Error("To parse non base32 or base58btc encoded CID multibase decoder must be provided");return[e[0],t.decode(e)]}}},Ro=(e,t,r)=>{let{prefix:n}=r;if(n!==V.prefix)throw Error(`Cannot string encode V0 in ${r.name} encoding`);let o=t.get(n);if(o==null){let i=r.encode(e).slice(1);return t.set(n,i),i}else return o},Mo=(e,t,r)=>{let{prefix:n}=r,o=t.get(n);if(o==null){let i=r.encode(e);return t.set(n,i),i}else return o},Ee=112,$o=18,Zr=(e,t,r)=>{let n=ae(e),o=n+ae(t),i=new Uint8Array(o+r.byteLength);return se(e,i,0),se(t,i,n),i.set(r,o),i},zo=Symbol.for("@ipld/js-cid/CID");var jr=42;function Lo(e){if(e.asCID!==e&&e["/"]!==e.bytes)return null;let t=w.asCID(e);if(!t)return null;let r=new Uint8Array(t.bytes.byteLength+1);return r.set(t.bytes,1),[new f(s.tag,jr),new f(s.bytes,r)]}function Vo(){throw new Error("`undefined` is not supported by the IPLD Data Model and cannot be encoded")}function Fo(e){if(Number.isNaN(e))throw new Error("`NaN` is not supported by the IPLD Data Model and cannot be encoded");if(e===1/0||e===-1/0)throw new Error("`Infinity` and `-Infinity` is not supported by the IPLD Data Model and cannot be encoded");return null}var Ho={float64:!0,typeEncoders:{Object:Lo,undefined:Vo,number:Fo}};function Po(e){if(e[0]!==0)throw new Error("Invalid CID for CBOR tag 42; expected leading 0x00");return w.decode(e.subarray(1))}var en={allowIndefinite:!1,coerceUndefinedToNull:!0,allowNaN:!1,allowInfinity:!1,allowBigInt:!0,strict:!0,useMaps:!1,rejectDuplicateMapKeys:!0,tags:[]};en.tags[jr]=Po;var Fe=e=>dt(e,Ho),He=e=>ht(e,en);var G=Ce(Pe(),1),J={SHA2_256:18,LENGTH:32,DAG_PB:112},qe=16+8+8+8;function $(e,t){if(!e.length)throw new Error("Unexpected end of 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dn(e,t){let r=$(e.upTo(8),e);if(r===0)throw new Error("Invalid CAR header (zero length)");let n=e.exactly(r,!0),o=He(n);if(Ke.toTyped(o)===void 0)throw new Error("Invalid CAR header format");if(o.version!==1&&o.version!==2||t!==void 0&&o.version!==t)throw new Error(`Invalid CAR version: ${o.version}${t!==void 0?` (expected ${t})`:""}`);if(o.version===1){if(!Array.isArray(o.roots))throw new Error("Invalid CAR header format");return o}if(o.roots!==void 0)throw new Error("Invalid CAR header format");let i=Ge(e.exactly(qe,!0));e.seek(i.dataOffset-e.pos);let a=dn(e,1);return Object.assign(a,i)}function oi(e){let t=e.exactly(2,!1);if(t[0]===J.SHA2_256&&t[1]===J.LENGTH){let a=e.exactly(34,!0),c=q(a);return w.create(0,J.DAG_PB,c)}let r=$(e.upTo(8),e);if(r!==1)throw new Error(`Unexpected CID version (${r})`);let n=$(e.upTo(8),e),o=e.exactly(Je(e.upTo(8)),!0),i=q(o);return w.create(r,n,i)}function ii(e){let t=e.pos,r=$(e.upTo(8),e);if(r===0)throw new Error("Invalid CAR section (zero 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_e=Ce(Pe(),1),Tt=class{constructor(t,r){this.bytes=t,this.byteOffset=r,this.roots=[],this.headerSize=r}addRoot(t,r){return pn(this,t,r),this}write(t){return yn(this,t),this}close(t){return mn(this,t)}},pn=(e,t,r={})=>{let{resize:n=!1}=r,{bytes:o,headerSize:i,byteOffset:a,roots:c}=e;e.roots.push(t);let d=Ct(e);if(d>i)if(d-i+a<o.byteLength)if(n)Ut(e,d);else throw c.pop(),new RangeError(`Header of size ${i} has no capacity for new root ${t}.
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0)throw new Error("Invalid CAR header format");if(o.version!==1&&o.version!==2||t!==void 0&&o.version!==t)throw new Error(`Invalid CAR version: ${o.version}${t!==void 0?` (expected ${t})`:""}`);if(o.version===1){if(!Array.isArray(o.roots))throw new Error("Invalid CAR header format");return o}if(o.roots!==void 0)throw new Error("Invalid CAR header format");let i=Ge(await e.exactly(qe,!0));e.seek(i.dataOffset-e.pos);let a=await Xe(e,1);return Object.assign(a,i)}async function mi(e){let t=await e.exactly(2,!1);if(t[0]===J.SHA2_256&&t[1]===J.LENGTH){let a=await e.exactly(34,!0),c=q(a);return w.create(0,J.DAG_PB,c)}let r=$(await e.upTo(8),e);if(r!==1)throw new Error(`Unexpected CID version (${r})`);let n=$(await e.upTo(8),e),o=await e.exactly(Je(await e.upTo(8)),!0),i=q(o);return w.create(r,n,i)}async function wn(e){let t=e.pos,r=$(await e.upTo(8),e);if(r===0)throw new Error("Invalid CAR section (zero length)");r+=e.pos-t;let n=await 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e{code;version;multihash;bytes;"/";constructor(t,r,n,o){this.code=r,this.version=t,this.multihash=n,this.bytes=o,this["/"]=o}get asCID(){return this}get byteOffset(){return this.bytes.byteOffset}get byteLength(){return this.bytes.byteLength}toV0(){switch(this.version){case 0:return this;case 1:{let{code:t,multihash:r}=this;if(t!==Ee)throw new Error("Cannot convert a non dag-pb CID to CIDv0");if(r.code!==$o)throw new Error("Cannot convert non sha2-256 multihash CID to CIDv0");return e.createV0(r)}default:throw Error(`Can not convert CID version ${this.version} to version 0. 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o=Zr(t,r,n.bytes);return new e(t,r,n,o)}default:throw new Error("Invalid version")}}static createV0(t){return e.create(0,Ee,t)}static createV1(t,r){return e.create(1,t,r)}static decode(t){let[r,n]=e.decodeFirst(t);if(n.length!==0)throw new Error("Incorrect length");return r}static decodeFirst(t){let r=e.inspectBytes(t),n=r.size-r.multihashSize,o=ie(t.subarray(n,n+r.multihashSize));if(o.byteLength!==r.multihashSize)throw new Error("Incorrect length");let i=o.subarray(r.multihashSize-r.digestSize),a=new ce(r.multihashCode,r.digestSize,i,o);return[r.version===0?e.createV0(a):e.createV1(r.codec,a),t.subarray(r.size)]}static inspectBytes(t){let r=0,n=()=>{let[j,Te]=ve(t.subarray(r));return r+=Te,j},o=n(),i=Ee;if(o===18?(o=0,r=0):i=n(),o!==0&&o!==1)throw new RangeError(`Invalid CID version ${o}`);let a=r,c=n(),d=n(),h=r+d,p=h-a;return{version:o,codec:i,multihashCode:c,digestSize:d,multihashSize:p,size:h}}static parse(t,r){let[n,o]=Oo(t,r),i=e.decode(o);if(i.version===0&&t[0]!=="Q")throw 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t=w.asCID(e);if(!t)return null;let r=new Uint8Array(t.bytes.byteLength+1);return r.set(t.bytes,1),[new f(s.tag,jr),new f(s.bytes,r)]}function Vo(){throw new Error("`undefined` is not supported by the IPLD Data Model and cannot be encoded")}function Fo(e){if(Number.isNaN(e))throw new Error("`NaN` is not supported by the IPLD Data Model and cannot be encoded");if(e===1/0||e===-1/0)throw new Error("`Infinity` and `-Infinity` is not supported by the IPLD Data Model and cannot be encoded");return null}var Ho={float64:!0,typeEncoders:{Object:Lo,undefined:Vo,number:Fo}};function Po(e){if(e[0]!==0)throw new Error("Invalid CID for CBOR tag 42; expected leading 0x00");return w.decode(e.subarray(1))}var en={allowIndefinite:!1,coerceUndefinedToNull:!0,allowNaN:!1,allowInfinity:!1,allowBigInt:!0,strict:!0,useMaps:!1,rejectDuplicateMapKeys:!0,tags:[]};en.tags[jr]=Po;var Fe=e=>dt(e,Ho),He=e=>ht(e,en);var G=Ie(Pe(),1),J={SHA2_256:18,LENGTH:32,DAG_PB:112},qe=40;function $(e,t){if(!e.length)throw new 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0},ke={"CarV1HeaderOrV2Pragma > roots (anon) > valueType (anon)":K.Link,"CarV1HeaderOrV2Pragma > roots (anon)":e=>{if(K.List(e)!==void 0){for(let t=0;t<e.length;t++){let r=e[t];if(r=ke["CarV1HeaderOrV2Pragma > roots (anon) > valueType (anon)"](r),r===void 0)return;if(r!==e[t]){let n=e.slice(0,t);for(let o=t;o<e.length;o++){let i=e[o];if(i=ke["CarV1HeaderOrV2Pragma > roots (anon) > valueType (anon)"](i),i===void 0)return;n.push(i)}return n}}return e}},Int:K.Int,CarV1HeaderOrV2Pragma:e=>{if(K.Map(e)===void 0)return;let t=Object.entries(e),r=e,n=1;for(let o=0;o<t.length;o++){let[i,a]=t[o];switch(i){case"roots":{let c=ke["CarV1HeaderOrV2Pragma > roots (anon)"](e[i]);if(c===void 0)return;if(c!==a||r!==e){if(r===e){r={};for(let d=0;d<o;d++)r[t[d][0]]=t[d][1]}r.roots=c}}break;case"version":{n--;let c=ke.Int(e[i]);if(c===void 0)return;if(c!==a||r!==e){if(r===e){r={};for(let d=0;d<o;d++)r[t[d][0]]=t[d][1]}r.version=c}}break;default:return}}if(!(n>0))return r}},_e={"CarV1HeaderOrV2Pragma > roots 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r}},Ke={toTyped:ke.CarV1HeaderOrV2Pragma,toRepresentation:_e.CarV1HeaderOrV2Pragma};function dn(e,t){let r=$(e.upTo(8),e);if(r===0)throw new Error("Invalid CAR header (zero length)");let n=e.exactly(r,!0),o=He(n);if(Ke.toTyped(o)===void 0)throw new Error("Invalid CAR header format");if(o.version!==1&&o.version!==2||t!==void 0&&o.version!==t)throw new Error(`Invalid CAR version: ${o.version}${t!==void 0?` (expected ${t})`:""}`);if(o.version===1){if(!Array.isArray(o.roots))throw new Error("Invalid CAR header format");return o}if(o.roots!==void 0)throw new Error("Invalid CAR header format");let i=Ge(e.exactly(qe,!0));e.seek(i.dataOffset-e.pos);let a=dn(e,1);return Object.assign(a,i)}function oi(e){let t=e.exactly(2,!1);if(t[0]===J.SHA2_256&&t[1]===J.LENGTH){let a=e.exactly(34,!0),c=q(a);return w.create(0,J.DAG_PB,c)}let r=$(e.upTo(8),e);if(r!==1)throw new Error(`Unexpected CID version (${r})`);let n=$(e.upTo(8),e),o=e.exactly(Je(e.upTo(8)),!0),i=q(o);return w.create(r,n,i)}function ii(e){let t=e.pos,r=$(e.upTo(8),e);if(r===0)throw new Error("Invalid CAR section (zero length)");r+=e.pos-t;let n=oi(e),o=r-Number(e.pos-t);return{cid:n,length:r,blockLength:o}}function ln(e){let t=si(e),r=dn(t);if(r.version===2){let o=t.pos-r.dataOffset;t=ai(t,r.dataSize-o)}let n=[];for(;t.upTo(8).length>0;){let{cid:o,blockLength:i}=ii(t);n.push({cid:o,bytes:t.exactly(i,!0)})}return{header:r,blocks:n}}function si(e){let t=0;return{upTo(r){return e.subarray(t,t+Math.min(r,e.length-t))},exactly(r,n=!1){if(r>e.length-t)throw new Error("Unexpected end of data");let o=e.subarray(t,t+r);return n&&(t+=r),o},seek(r){t+=r},get pos(){return t}}}function ai(e,t){let r=0;return{upTo(n){let o=e.upTo(n);return o.length+r>t&&(o=o.subarray(0,t-r)),o},exactly(n,o=!1){let i=e.exactly(n,o);if(i.length+r>t)throw new Error("Unexpected end of data");return o&&(r+=n),i},seek(n){r+=n,e.seek(n)},get pos(){return e.pos}}}var We=class e{constructor(t,r){this._header=t,this._blocks=r,this._cids=void 0}get version(){return this._header.version}getRoots(){return this._header.roots}has(t){return this._blocks.some(r=>r.cid.equals(t))}get(t){return this._blocks.find(r=>r.cid.equals(t))}blocks(){return this._blocks}cids(){return this._cids||(this._cids=this._blocks.map(t=>t.cid)),this._cids}static fromBytes(t){if(!(t instanceof Uint8Array))throw new TypeError("fromBytes() requires a Uint8Array");let{header:r,blocks:n}=ln(t);return new e(r,n)}};var St={};Ot(St,{addBlock:()=>yn,addRoot:()=>pn,blockLength:()=>di,calculateHeaderLength:()=>Ct,close:()=>mn,createWriter:()=>yi,estimateHeaderLength:()=>pi,headerLength:()=>It,resizeHeader:()=>Ut});var fi=ut(),ui={float64:!1,quickEncodeToken:ze};function _t(e,t=fi,r=ui){if(Array.isArray(e)){let n=0;for(let o of e)n+=_t(o,t,r);return n}else{let n=t[e.type.major];if(n.encodedSize===void 0||typeof n.encodedSize!="function")throw new Error(`Encoder for ${e.type.name} does not have an encodedSize()`);return n.encodedSize(e,r)}}var Ae=Ie(Pe(),1),Tt=class{constructor(t,r){this.bytes=t,this.byteOffset=r,this.roots=[],this.headerSize=r}addRoot(t,r){return pn(this,t,r),this}write(t){return yn(this,t),this}close(t){return mn(this,t)}},pn=(e,t,r={})=>{let{resize:n=!1}=r,{bytes:o,headerSize:i,byteOffset:a,roots:c}=e;e.roots.push(t);let d=It(e);if(d>i)if(d-i+a<o.byteLength)if(n)Ut(e,d);else throw c.pop(),new RangeError(`Header of size ${i} has no capacity for new root ${t}.
However there is a space in the buffer and you could call addRoot(root, { resize: root }) to resize header to make a space for this root.`);else throw c.pop(),new RangeError(`Buffer has no capacity for a new root ${t}`)},di=({cid:e,bytes:t})=>{let r=e.bytes.byteLength+t.byteLength;return Ae.default.encodingLength(r)+r},yn=(e,{cid:t,bytes:r})=>{let n=t.bytes.byteLength+r.byteLength,o=Ae.default.encode(n);if(e.byteOffset+o.length+n>e.bytes.byteLength)throw new RangeError("Buffer has no capacity for this block");At(e,o),At(e,t.bytes),At(e,r)},mn=(e,t={})=>{let{resize:r=!1}=t,{roots:n,bytes:o,byteOffset:i,headerSize:a}=e,c=Fe({version:1,roots:n}),d=Ae.default.encode(c.length),h=d.length+c.byteLength;if(a-h===0)return hn(e,d,c),o.subarray(0,i);if(r)return Ut(e,h),hn(e,d,c),o.subarray(0,e.byteOffset);throw new RangeError(`Header size was overestimated.
You can use close({ resize: true }) to resize header`)},Ut=(e,t)=>{let{bytes:r,headerSize:n}=e;r.set(r.subarray(n,e.byteOffset),t),e.byteOffset+=t-n,e.headerSize=t},At=(e,t)=>{e.bytes.set(t,e.byteOffset),e.byteOffset+=t.length},hn=({bytes:e},t,r)=>{e.set(t),e.set(r,t.length)},li=[new f(s.map,2),new f(s.string,"version"),new f(s.uint,1),new f(s.string,"roots")],hi=new f(s.tag,42),Ct=e=>{let t=[...li];t.push(new f(s.array,e.length));for(let n of e)t.push(hi),t.push(new f(s.bytes,{length:n+1}));let r=_t(t);return Ae.default.encodingLength(r)+r},It=({roots:e})=>Ct(e.map(t=>t.bytes.byteLength)),pi=(e,t=36)=>Ct(new Array(e).fill(t)),yi=(e,t={})=>{let{roots:r=[],byteOffset:n=0,byteLength:o=e.byteLength,headerSize:i=It({roots:r})}=t,a=new Uint8Array(e,n,o),c=new Tt(a,i);for(let d of r)c.addRoot(d);return c};var Bt=Ie(gn(),1);async function Xe(e,t){let r=$(await e.upTo(8),e);if(r===0)throw new Error("Invalid CAR header (zero length)");let n=await e.exactly(r,!0),o=He(n);if(Ke.toTyped(o)===void 0)throw new Error("Invalid CAR header format");if(o.version!==1&&o.version!==2||t!==void 0&&o.version!==t)throw new Error(`Invalid CAR version: ${o.version}${t!==void 0?` (expected ${t})`:""}`);if(o.version===1){if(!Array.isArray(o.roots))throw new Error("Invalid CAR header format");return o}if(o.roots!==void 0)throw new Error("Invalid CAR header format");let i=Ge(await e.exactly(qe,!0));e.seek(i.dataOffset-e.pos);let a=await Xe(e,1);return Object.assign(a,i)}async function mi(e){let t=await e.exactly(2,!1);if(t[0]===J.SHA2_256&&t[1]===J.LENGTH){let a=await e.exactly(34,!0),c=q(a);return w.create(0,J.DAG_PB,c)}let r=$(await e.upTo(8),e);if(r!==1)throw new Error(`Unexpected CID version (${r})`);let n=$(await e.upTo(8),e),o=await e.exactly(Je(await e.upTo(8)),!0),i=q(o);return w.create(r,n,i)}async function wn(e){let t=e.pos,r=$(await e.upTo(8),e);if(r===0)throw new Error("Invalid CAR section (zero length)");r+=e.pos-t;let n=await mi(e),o=r-Number(e.pos-t);return{cid:n,length:r,blockLength:o}}async function gi(e){let{cid:t,blockLength:r}=await wn(e);return{bytes:await e.exactly(r,!0),cid:t}}async function wi(e){let t=e.pos,{cid:r,length:n,blockLength:o}=await wn(e),i={cid:r,length:n,blockLength:o,offset:t,blockOffset:e.pos};return e.seek(i.blockLength),i}function fe(e){let t=(async()=>{let r=await Xe(e);if(r.version===2){let n=e.pos-r.dataOffset;e=bi(e,r.dataSize-n)}return r})();return{header:()=>t,async*blocks(){for(await t;(await e.upTo(8)).length>0;)yield await gi(e)},async*blocksIndex(){for(await t;(await e.upTo(8)).length>0;)yield await wi(e)}}}function W(e){let t=0;return{async upTo(r){return e.subarray(t,t+Math.min(r,e.length-t))},async exactly(r,n=!1){if(r>e.length-t)throw new Error("Unexpected end of data");let o=e.subarray(t,t+r);return n&&(t+=r),o},seek(r){t+=r},get pos(){return t}}}function xi(e){let t=0,r=0,n=0,o=new Uint8Array(0),i=async a=>{r=o.length-n;let c=[o.subarray(n)];for(;r<a;){let h=await e();if(h==null)break;r<0?h.length>r&&c.push(h.subarray(-r)):c.push(h),r+=h.length}o=new Uint8Array(c.reduce((h,p)=>h+p.length,0));let d=0;for(let h of c)o.set(h,d),d+=h.length;n=0};return{async upTo(a){return o.length-n<a&&await i(a),o.subarray(n,n+Math.min(o.length-n,a))},async exactly(a,c=!1){if(o.length-n<a&&await i(a),o.length-n<a)throw new Error("Unexpected end of data");let d=o.subarray(n,n+a);return c&&(t+=a,n+=a),d},seek(a){t+=a,n+=a},get pos(){return t}}}function ue(e){let t=e[Symbol.asyncIterator]();async function r(){let n=await t.next();return n.done?null:n.value}return xi(r)}function bi(e,t){let r=0;return{async upTo(n){let o=await e.upTo(n);return o.length+r>t&&(o=o.subarray(0,t-r)),o},async exactly(n,o=!1){let i=await e.exactly(n,o);if(i.length+r>t)throw new Error("Unexpected end of data");return o&&(r+=n),i},seek(n){r+=n,e.seek(n)},get pos(){return e.pos}}}var Y=class{constructor(t,r,n){this._version=t,this._roots=r,this._iterator=n}get version(){return this._version}async getRoots(){return this._roots}[Symbol.asyncIterator](){return this._iterator}static async fromBytes(t){if(!(t instanceof Uint8Array))throw new TypeError("fromBytes() requires a Uint8Array");return xn(W(t))}static async fromIterable(t){if(!t||typeof t[Symbol.asyncIterator]!="function")throw new TypeError("fromIterable() requires an async iterable");return xn(ue(t))}};async function xn(e){let t=fe(e),{version:r,roots:n}=await t.header();return new Y(r,n,t.blocksIndex())}var Z=class{constructor(t,r){this._header=t,this._blocks=r,this._keys=r.map(n=>n.cid.toString())}get version(){return this._header.version}async getRoots(){return this._header.roots}async has(t){return this._keys.indexOf(t.toString())>-1}async get(t){let r=this._keys.indexOf(t.toString());return r>-1?this._blocks[r]:void 0}async*blocks(){for(let t of this._blocks)yield t}async*cids(){for(let t of this._blocks)yield t.cid}static async fromBytes(t){if(!(t instanceof Uint8Array))throw new TypeError("fromBytes() requires a Uint8Array");return bn(W(t))}static async fromIterable(t){if(!t||typeof t[Symbol.asyncIterator]!="function")throw new TypeError("fromIterable() requires an async iterable");return bn(ue(t))}};async function bn(e){let t=fe(e),r=await t.header(),n=[];for await(let o of t.blocks())n.push(o);return new Z(r,n)}var Qe=class e{constructor(t,r,n,o,i){this._version=t,this._path=r,this._roots=n,this._index=o,this._order=i,this._fd=null}get version(){return this._version}async getRoots(){return this._roots}async has(t){return this._index.has(t.toString())}async get(t){let r=this._index.get(t.toString());if(!r)return;this._fd||(this._fd=await Bt.default.promises.open(this._path,"r"));let n={cid:t,length:0,offset:0,blockLength:r.blockLength,blockOffset:r.blockOffset};return Z.readRaw(this._fd,n)}async*blocks(){for(let t of this._order){let r=await this.get(w.parse(t));if(!r)throw new Error("Unexpected internal error");yield r}}async*cids(){for(let t of this._order)yield w.parse(t)}async close(){if(this._fd)return this._fd.close()}static async fromFile(t){if(typeof t!="string")throw new TypeError("fromFile() requires a file path string");let r=await Y.fromIterable((void 0).from(Bt.default.createReadStream(t))),n=new Map,o=[];for await(let{cid:i,blockLength:a,blockOffset:c}of r){let d=i.toString();n.set(d,{blockLength:a,blockOffset:c}),o.push(d)}return new e(r.version,t,await r.getRoots(),n,o)}};var Ye=class{constructor(t,r,n){this._version=t,this._roots=r,this._iterable=n,this._decoded=!1}get version(){return this._version}async getRoots(){return this._roots}},Ze=class e extends Ye{[Symbol.asyncIterator](){if(this._decoded)throw new Error("Cannot decode more than once");if(!this._iterable)throw new Error("Block iterable not found");return this._decoded=!0,this._iterable[Symbol.asyncIterator]()}static async fromBytes(t){let{version:r,roots:n,iterator:o}=await En(t);return new e(r,n,o)}static async fromIterable(t){let{version:r,roots:n,iterator:o}=await kn(t);return new e(r,n,o)}},je=class e extends Ye{[Symbol.asyncIterator](){if(this._decoded)throw new Error("Cannot decode more than once");if(!this._iterable)throw new Error("Block iterable not found");this._decoded=!0;let t=this._iterable[Symbol.asyncIterator]();return{async next(){let r=await t.next();return r.done?r:{done:!1,value:r.value.cid}}}}static async fromBytes(t){let{version:r,roots:n,iterator:o}=await En(t);return new e(r,n,o)}static async fromIterable(t){let{version:r,roots:n,iterator:o}=await kn(t);return new e(r,n,o)}};async function En(e){if(!(e instanceof Uint8Array))throw new TypeError("fromBytes() requires a Uint8Array");return _n(W(e))}async function kn(e){if(!e||typeof e[Symbol.asyncIterator]!="function")throw new TypeError("fromIterable() requires an async iterable");return _n(ue(e))}async function _n(e){let t=fe(e),{version:r,roots:n}=await t.header();return{version:r,roots:n,iterator:t.blocks()}}var Nt=Ie(Pe(),1);function Dt(e){let t=Fe({version:1,roots:e}),r=Nt.default.encode(t.length),n=new Uint8Array(r.length+t.length);return n.set(r,0),n.set(t,r.length),n}function An(e){return{async setRoots(t){let r=Dt(t);await e.write(r)},async writeBlock(t){let{cid:r,bytes:n}=t;await e.write(new Uint8Array(Nt.default.encode(r.bytes.length+n.length))),await e.write(r.bytes),n.length&&await e.write(n)},async close(){await e.end()}}}function et(){}function Tn(){let e=[],t=null,r=et,n=!1,o=null,i=et,a=()=>(t||(t=new Promise(h=>{r=()=>{t=null,r=et,h()}})),t),c={write(h){e.push(h);let p=a();return i(),p},async end(){n=!0;let h=a();i(),await h}},d={async next(){let h=e.shift();return h?(e.length===0&&r(),{done:!1,value:h}):n?(r(),{done:!0,value:void 0}):(o||(o=new Promise(p=>{i=()=>(o=null,i=et,p(d.next()))})),o)}};return{writer:c,iterator:d}}var tt=class e{constructor(t,r){this._encoder=r,this._mutex=r.setRoots(t),this._ended=!1}async put(t){if(!(t.bytes instanceof Uint8Array)||!t.cid)throw new TypeError("Can only write {cid, bytes} objects");if(this._ended)throw new Error("Already closed");let r=w.asCID(t.cid);if(!r)throw new TypeError("Can only write {cid, bytes} objects");return this._mutex=this._mutex.then(()=>this._encoder.writeBlock({cid:r,bytes:t.bytes})),this._mutex}async close(){if(this._ended)throw new Error("Already closed");return await this._mutex,this._ended=!0,this._encoder.close()}static create(t){t=vi(t);let{encoder:r,iterator:n}=Un(),o=new e(t,r),i=new rt(n);return{writer:o,out:i}}static createAppender(){let{encoder:t,iterator:r}=Un();t.setRoots=()=>Promise.resolve();let n=new e([],t),o=new rt(r);return{writer:n,out:o}}static async updateRootsInBytes(t,r){let n=W(t);await Xe(n);let o=Dt(r);if(Number(n.pos)!==o.length)throw new Error(`updateRoots() can only overwrite a header of the same length (old header is ${n.pos} bytes, new header is ${o.length} bytes)`);return t.set(o,0),t}},rt=class{constructor(t){this._iterator=t}[Symbol.asyncIterator](){if(this._iterating)throw new Error("Multiple iterator not supported");return this._iterating=!0,this._iterator}};function Un(){let e=Tn(),{writer:t,iterator:r}=e;return{encoder:An(t),iterator:r}}function vi(e){if(e===void 0)return[];if(!Array.isArray(e)){let r=w.asCID(e);if(!r)throw new TypeError("roots must be a single CID or an array of CIDs");return[r]}let t=[];for(let r of e){let n=w.asCID(r);if(!n)throw new TypeError("roots must be a single CID or an array of CIDs");t.push(n)}return t}var Ei="application/vnd.ipld.car";return On(ki);})();
return IpldCar}));

2

dist/src/buffer-writer.d.ts

@@ -16,3 +16,3 @@ export function addRoot(writer: CarBufferWriter, root: CID, options?: {

export function createWriter(buffer: ArrayBuffer, options?: {
roots?: import("multiformats/dist/types/src/cid").CID<any, number, number, import("multiformats/dist/types/src").Version>[] | undefined;
roots?: import("multiformats/dist/src/cid").CID<any, number, number, import("multiformats/dist/src").Version>[] | undefined;
byteOffset?: number | undefined;

@@ -19,0 +19,0 @@ byteLength?: number | undefined;

16

package.json
{
"name": "@ipld/car",
"version": "5.2.4",
"version": "5.2.5",
"description": "Content Addressable aRchive format reader and writer",

@@ -202,12 +202,12 @@ "author": "Rod <rod@vagg.org> (http://r.va.gg/)",

"dependencies": {
"@ipld/dag-cbor": "^9.0.0",
"cborg": "^4.0.0",
"multiformats": "^12.1.0",
"@ipld/dag-cbor": "^9.0.7",
"cborg": "^4.0.5",
"multiformats": "^13.0.0",
"varint": "^6.0.0"
},
"devDependencies": {
"@ipld/dag-pb": "^4.0.0",
"@ipld/garbage": "^6.0.0",
"@types/varint": "^6.0.0",
"aegir": "^41.0.0",
"@ipld/dag-pb": "^4.0.7",
"@ipld/garbage": "^6.0.5",
"@types/varint": "^6.0.3",
"aegir": "^41.3.5",
"jsdoc4readme": "^1.4.0"

@@ -214,0 +214,0 @@ },

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